Earthquake with magnitude of ML 1.8 on date 18-11-2017 and time 07:36:03 (UTC) in region 4 km SE Varano de' Melegari (PR)

A magnitude ML 1.8 earthquake occured in region: 4 km SE Varano de' Melegari (PR), on

  • 18-11-2017 07:36:03 (UTC)
  • 18-11-2017 08:36:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6710, 10.0540 at 22 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Varano de' Melegari PR 4 2676 2676
Fornovo di Taro PR 4 6100 8776
Terenzo PR 7 1196 9972
Solignano PR 9 1773 11745
Calestano PR 10 2100 13845
Medesano PR 12 10828 24673
Pellegrino Parmense PR 12 1048 25721
Sala Baganza PR 15 5561 31282
Felino PR 15 8790 40072
Collecchio PR 16 14403 54475
Varsi PR 17 1230 55705
Salsomaggiore Terme PR 17 19831 75536
Valmozzola PR 18 539 76075
Langhirano PR 18 10315 86390
Noceto PR 18 13001 99391
Berceto PR 19 2109 101500
Lesignano de' Bagni PR 20 5028 106528

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Parma (192836 inhabitants)
46 Km W of Reggio nell'Emilia (171345 inhabitants)
51 Km SE of Piacenza (102191 inhabitants)
52 Km S of Cremona (71901 inhabitants)
65 Km N of La Spezia (93959 inhabitants)
66 Km N of Carrara (63133 inhabitants)
67 Km W of Carpi (70699 inhabitants)
69 Km W of Modena (184973 inhabitants)
71 Km N of Massa (69479 inhabitants)
91 Km N of Viareggio (62467 inhabitants)
91 Km SE of Pavia (72576 inhabitants)
93 Km E of Genova (586655 inhabitants)
98 Km S of Brescia (196480 inhabitants)
99 Km NW of Lucca (89046 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.8 2017-11-18
07:36:03
44.6713 10.0545 22 2018-09-04
09:09:13
Bollettino Sismico Italiano INGV 52654831
Reviewed
Rev100
ML 1.7 2017-11-18
07:36:03
44.6625 10.0465 10 2017-11-18
07:58:21
Sala Sismica INGV-Roma 51948481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-11-18 07:36:03 ± 0.25
Latitude 44.6713 ± 0.0117
Longitude 10.0545 ± 0.0114
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52654831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1340
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 184
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81029
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 51948481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-11-18 07:58:21

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 52654831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-16 09:17:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2017-11-18T07:37:45.29 3.0 undecidable manual Sg 3.41 0
IV.LAV9.HHZ. 2017-11-18T07:37:36.82 3.0 undecidable manual Sn -7.82 0
IV.T1214.EHZ. 2017-11-18T07:37:27.33 3.0 undecidable manual Sn -2.2 0
OB.GAVE.EHZ. 2017-11-18T07:37:23.60 3.0 undecidable manual Sn -3.14 0
CR.ZAG.BHZ. 2017-11-18T07:37:10.76 3.0 undecidable manual Pn 4.16 0
IV.LAV9.HHZ. 2017-11-18T07:37:09.47 3.0 positive manual Pg 10.7 0
IV.CERT.HHZ. 2017-11-18T07:37:04.81 3.0 negative manual Pg 7.59 0
IV.BLLA.EHZ. 2017-11-18T07:37:01.22 3.0 undecidable manual Sg 1.77 0
IV.FROS.HHZ. 2017-11-18T07:36:57.20 3.0 undecidable manual Sg -1.27 0
IV.RM33.HNZ. 2017-11-18T07:36:50.36 3.0 undecidable manual Pn -2.41 0
GU.RNCA.HHZ. 2017-11-18T07:36:30.54 0.6 undecidable manual S 256 89.9433 98 0.8 38
MN.VLC.HNE. 2017-11-18T07:36:23.29 0.6 undecidable manual S 155 62.5929 102 0.75 41
GU.GORR.HHZ. 2017-11-18T07:36:22.62 0.3 undecidable manual S 264 60.5949 103 0.6 66
GU.SARM.EHZ. 2017-11-18T07:36:22.50 0.6 undecidable manual S 153 60.5949 103 0.47 46
GU.EQUI.HHZ. 2017-11-18T07:36:21.17 0.6 undecidable manual S 172 56.5989 104 0.18 49
GU.GSCL.HHZ. 2017-11-18T07:36:21.90 0.6 undecidable manual S 130 55.2003 104 1.27 33
IV.MSSA.HHZ. 2017-11-18T07:36:21.51 0.6 undecidable manual S 227 57.8976 104 0.17 49
GU.RNCA.HHZ. 2017-11-18T07:36:18.74 0.1 undecidable manual P 256 89.9433 98 0.27 90
IV.ZONE.HHZ. 2017-11-18T07:36:17.34 3.0 undecidable manual P -1.47 0
IV.PLMA.HHZ. 2017-11-18T07:36:15.17 0.3 undecidable manual P 193 70.7736 101 -0.37 69
GU.GORR.HHZ. 2017-11-18T07:36:13.87 0.1 undecidable manual P 264 60.5949 103 -0.14 99
GU.GSCL.HHZ. 2017-11-18T07:36:13.47 0.1 undecidable manual P 130 55.2003 104 0.27 97
GU.SARM.EHZ. 2017-11-18T07:36:13.71 0.1 undecidable manual P 153 60.5949 103 -0.3 96
MN.VLC.HNE. 2017-11-18T07:36:13.91 0.1 undecidable manual P 155 62.5929 102 -0.4 94
IV.PRMA.HHZ. 2017-11-18T07:36:13.60 0.6 undecidable manual S 63 22.8549 128 0.87 42
IV.MSSA.HHZ. 2017-11-18T07:36:13.33 0.1 undecidable manual P 227 57.8976 104 -0.28 97
GU.EQUI.HHZ. 2017-11-18T07:36:12.90 0.3 undecidable manual P 172 56.5989 104 -0.51 69
GU.GRAM.HHZ. 2017-11-18T07:36:11.98 0.3 undecidable manual S 177 19.9689 132 -0.17 79
IV.PRMA.HHZ. 2017-11-18T07:36:08.24 0.1 undecidable manual P 63 22.8549 128 -0.4 100
GU.GRAM.HHZ. 2017-11-18T07:36:07.84 0.1 undecidable manual P 177 19.9689 132 -0.47 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHN. ML:2.4 0.001288 0.2 AML other m 2017-11-18T07:36:12.27
GU.GRAM.HHE. ML:2.3 0.0011 0.14 AML other m 2017-11-18T07:36:13.03
IV.MSSA.HHE. ML:1.6 0.00007594999999999999 1.22 AML other m 2017-11-18T07:36:21.27
IV.MSSA.HHN. ML:1.6 0.00007280000000000001 0.54 AML other m 2017-11-18T07:36:22.77
GU.GORR.HHE. ML:1.6 0.00007980000000000002 0.18 AML other m 2017-11-18T07:36:23.94
GU.GORR.HHN. ML:1.8 0.00011360000000000001 1.24 AML other m 2017-11-18T07:36:24.08
GU.SARM.EHE. ML:1.7 0.00009715 1.2 AML other m 2017-11-18T07:36:24.70
GU.SARM.EHN. ML:1.7 0.00009265 0.42 AML other m 2017-11-18T07:36:26.41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download